Celebrex side effects may include: 

Abdominal pain, diarrhea, headache, indigestion, nausea, respiratory infection, or sinus inflammation 

Possible food and drug interactions when taking this pain medication: 

In addition to the Celebrex side effects mentioned, this medication should not be taken with certain other drugs.  The effects of either could be increased, decreased or altered when taken with some of these other medications.  It is very important to check with your doctor before combining Celebrex with the following: 

• Ace inhibitors, a type of blood pressure and heart medication, including such drugs as Capoten, Vasotec and Prinivil)

• Blood-thinning agents such as Coumadin

• Fluconazole (Diflucan)

• Furosemide (Lasix)

• Lithium (Eskalith,Lithobid)

• Thiazide diuretics (water pills) such as hydrochlorothiazide and Diazide 

Celebrex: Special information if you're pregnant or breast-feeding 

It is believed that Celebrex and similar pain medications may harm a developing baby if taken in the third trimester, and its safety earlier in pregnancy has not been confirmed.  You should only take this pain medication if you're absolutely sure that the risk is justified. 

It's possible that Celebrex makes it way into breast milk (limited data from one subject indicated that the drug is excreted in human milk) and is believed to possibly cause serious reactions in the nursing infant.  If this pain medication is absolutely essential to your health, your physician may advise you to discontinue breast-feeding while on Celebrex.